Wins
251
Indexed tournament wins
Player record
On, David
Losses
236
Indexed tournament losses
Matches
487
Decisive results
Win rate
51.5%
Across indexed matches
Peak rating
1,961
Highest rating in the available history.
Biggest upset
Ferriera, Clifton
Golden State Open · May 24, 1998 · +641 rating
Open →Biggest loss
Chung, Cecilia
Concord Cup · Oct 18, 1998 · -690 rating
Open →Most frequent opponent
Sergy Gutkin
14 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
55 tournament appearances · synced Aug 8, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 25, 2003 | Golden State OpenTournament · View matches | 1,932 | 1,924 | -8 | 4W / 4L |
| Apr 20, 2003 | California Open 2003/Stiga N.ATournament · View matches | 1,961 | 1,932 | -29+14 / -43 | 4W / 6L |
| Dec 22, 2002 | 2002 US National ChampionshipsTournament · View matches · USATT readjusted 1,882 → 1,944 | 1,882 | 1,961 | +17+71 / -54 | 14W / 9L |
| Nov 16, 2002 | Sacramento Fall OpenTournament · View matches | 1,838 | 1,882 | +44 | 4W / 5L |
| Nov 10, 2002 | Stiga Pacific Rim OpenTournament · View matches | 1,822 | 1,838 | +16 | 4W / 4L |
| Oct 20, 2002 | Concord Cup Youth TournamentTournament · View matches | 1,825 | 1,822 | -3+8 / -11 | 3W / 2L |
| Sep 21, 2002 | Sacramento Sept. OpenTournament · View matches | 1,805 | 1,825 | +20+40 / -20 | 6W / 2L |
| Aug 18, 2002 | San Francisco Summer OpenTournament · View matches | 1,805 | 1,805 | 0+4 / -4 | 1W / 3L |
| Dec 23, 2001 | 2001 USATT NationalsTournament · View matches | 1,785 | 1,805 | +20+52 / -32 | 7W / 10L |
| Nov 17, 2001 | Sac-Rec November OpenTournament · View matches | 1,786 | 1,785 | -1+20 / -21 | 3W / 3L |
| Oct 21, 2001 | Concord Cup Youth OpenTournament · View matches | 1,759 | 1,786 | +27+31 / -4 | 8W / 2L |
| Sep 29, 2001 | Sacramento Fall Fun for All OpTournament · View matches | 1,742 | 1,759 | +17+26 / -9 | 4W / 4L |
| Sep 2, 2001 | Western Open on the 2001 NA ToTournament · View matches | 1,725 | 1,742 | +17+25 / -8 | 5W / 6L |
| Jun 24, 2001 | California State OpenTournament · View matches | 1,746 | 1,725 | -21+0 / -21 | 4W / 3L |
| May 27, 2001 | Golden State Open - CATournament · View matches | 1,728 | 1,746 | +18+21 / -3 | 3W / 3L |
| Mar 31, 2001 | Sacramento Spring OpenTournament · View matches | 1,678 | 1,728 | +50+72 / -22 | 4W / 4L |
| Dec 17, 2000 | 2000 USATT National ChampionshipTournament · View matches | 1,689 | 1,678 | -11+48 / -59 | 7W / 7L |
| Nov 5, 2000 | Stiga Pacific Rim OpenTournament · View matches | 1,689 | 1,702 | +13 | 9W / 3L |
| Oct 8, 2000 | Concord Cup Youth Open TTTTournament · View matches | 1,657 | 1,685 | +28+33 / -5 | 5W / 3L |
| Oct 1, 2000 | Sacramento Fall Fun For All TTTournament · View matches | 1,645 | 1,657 | +12 | 2W / 3L |
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